144271979 has 6 divisors (see below), whose sum is σ = 153258084. Its totient is φ = 135785120.

The previous prime is 144271973. The next prime is 144271987. The reversal of 144271979 is 979172441.

144271979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144271979 - 2¹² = 144267883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144271973) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 249317 + ... + 249894.

It is an arithmetic number, because the mean of its divisors is an integer number (25543014).

Almost surely, 2^144271979 is an apocalyptic number.

144271979 is a deficient number, since it is larger than the sum of its proper divisors (8986105).

144271979 is an equidigital number, since it uses as much as digits as its factorization.

144271979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499245 (or 499228 counting only the distinct ones).

The product of its digits is 127008, while the sum is 44.

The square root of 144271979 is about 12011.3271123552. The cubic root of 144271979 is about 524.4780651089.

The spelling of 144271979 in words is "one hundred forty-four million, two hundred seventy-one thousand, nine hundred seventy-nine".